Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 230826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT TUE MAY 23 2017


...................................

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 22 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         80    339 PM  92    2000  74      6       68
  MINIMUM         51    318 AM  35    2013  46      5       40
                                      2010
  AVERAGE         66                        60      6       54

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    T                                         0.25
  SINCE OCT 1     36.85                                     18.86
  SINCE JAN 1     27.90                                     14.67

DEGREE DAYS
 HEATING
  YESTERDAY        0                                        11
  MONTH TO DATE   77                                       118
  SINCE MAR 1    556                                       671
  SINCE JUL 1   2439                                      2562

 COOLING
  YESTERDAY        1                                         0
  MONTH TO DATE   30                                         5
  SINCE MAR 1     32                                         5
  SINCE JAN 1     32                                         5
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (190)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     6.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           300 AM
 LOWEST     45           300 PM
 AVERAGE    67

..........................................................


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        91      2000
 MINIMUM TEMPERATURE (F)   47        31      2010


SUNRISE AND SUNSET
MAY 23 2017...........SUNRISE   552 AM PDT   SUNSET   820 PM PDT
MAY 24 2017...........SUNRISE   551 AM PDT   SUNSET   821 PM PDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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